Home / 7,776,603.60-11,644,493.40-5,489,779.20

Finding the Fourth Proportional to 7,776,603.60, 11,644,493.40 and 5,489,779.20

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Solution

The fourth proportional to 7,776,603.60, 11,644,493.40 and 5,489,779.20 is: 8,220,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,603.60 : 11,644,493.40 = 5,489,779.20 : x
  2. Step 2: Convert to fraction form
    7,776,603.60/11,644,493.40 = 5,489,779.20/x
  3. Step 3: Cross multiply
    7,776,603.60x = 11,644,493.40 × 5,489,779.20
  4. Step 4: Simplify right side
    7,776,603.60x = 63,925,697,661,857.28
  5. Step 5: Solve for x
    x = 63,925,697,661,857.28/7,776,603.60
  6. Step 6: Final answer
    x = 8,220,259.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.